[mythtv-users] Anyone using LVM2 w/ ext3 for video storage

[David]

Answers for both Minh Duong and MagicITX who wrote:

>I agree that LVM is good but whether RAID is a waste or not depends on
>how you intend to use your system.  Performance may not be an issue
>but data reliability could be.
>  
>
Sorry, I was rushing out and was too terse :(
I meant _hardware_ raid (and I really meant, cheap, on-the-motherboard 
RAID) is a waste of time :)
Proper hardware raid is probably overkill but hey, let he who is without 
sin...

BTW that ref is : http://linux.yyz.us/sata/faq-sata-raid.html

Instead you should use the linux raid subsystem (md devices)
see: http://www.mythtv.info/moin.cgi/AdministrationSoftware_2fLvmRaid

I actually run a 1.2 TB raid 5 system with 6x250GB sata disks (and a 
250Gb spare too!)
*when* (not if) one of them fails (again) the hot spare kicks in and I 
end up not losing a single show.
Not only that, I'm covered in case another one fails whilst I'm waiting 
for the RMA process (as happened once!)

>For example if you're using your systems as a video or music library. 
>Maybe you've ripped and transcoded hundreds of dvd's or thousands of
>cd's and don't want to lose the data because of the time invested.  Or
>maybe you have all the shows of a TV series recorded (e.g. the old
>Outer Limits shows) and it may be very difficult to reproduce.
>  
>
totally agree :)

>Once we get into the realm of huge storage, the things we can do with
>our systems greatly expands.  But the likelihood that we can backup
>the data diminishes.
>  
>
Which is why I run what I do...

David